1668220

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{349}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 3528000

約数和(自身を除く): 1859780

約数列:

[1, 2, 4, 5, 10, 20, 239, 349, 478, 698, 956, 1195, 1396, 1745, 2390, 3490, 4780, 6980, 83411, 166822, 333644, 417055, 834110, 1668220]

約数ペア:

[(1, 1668220), (2, 834110), (4, 417055), (5, 333644), (10, 166822), (20, 83411), (239, 6980), (349, 4780), (478, 3490), (698, 2390), (956, 1745), (1195, 1396)]